/**
* @brief Writes a value in a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param pBuffer: The target register value to be written
* @param Length: buffer size to be written
*/
static void I2Cx_WriteBuffer(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, pBuffer, Length, I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initialize the BUS */
I2Cx_Error();
}
}
/**
* @brief Write a value in a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param Value: The target register value to be written
* @retval HAL status
*/
static void I2Cx_WriteData(uint8_t Addr, uint8_t Reg, uint8_t Value)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2Cx_Error(Addr);
}
}
/**
* @brief Write a value in a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param RegSize: The target register size (can be 8BIT or 16BIT)
* @param Value: The target register value to be written
* @retval None
*/
static void I2Cx_WriteData(uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t Value)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, RegSize, &Value, 1, I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2Cx_Error();
}
}
/**
* @brief Writes a single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @param Value: Data to be written
* @retval None
*/
static void I2Cx_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* I2C error occured */
I2Cx_Error(Addr);
}
}
/**
* @brief Reads multiple data on the BUS.
* @param Addr: I2C Address
* @param Reg: Reg Address
* @param RegSize : The target register size (can be 8BIT or 16BIT)
* @param pBuffer: pointer to read data buffer
* @param Length: length of the data
* @retval 0 if no problems to read multiple data
*/
static HAL_StatusTypeDef I2Cx_ReadBuffer(uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Read(&heval_I2c, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2Cx_Error();
}
return status;
}
/**
* @brief Write a value in a register of the device through BUS in using DMA mode
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param pBuffer: The target register value to be written
* @param Length: buffer size to be written
* @retval HAL status
*/
static HAL_StatusTypeDef I2Cx_WriteMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initiaize the I2C Bus */
I2Cx_Error(Addr);
}
return status;
}
/**
* @brief Reads multiple data.
* @param Addr: I2C address
* @param Reg: Reg address
* @param Buffer: Pointer to data buffer
* @param Length: Length of the data
* @retval Number of read data
*/
static HAL_StatusTypeDef I2Cx_ReadMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Read(&heval_I2c, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* I2C error occured */
I2Cx_Error(Addr);
}
return status;
}
/**
* @brief Read a register of the device through BUS
* @param Addr: Device address on BUS
* @param Reg: The target register address to read
* @retval HAL status
*/
static uint8_t I2Cx_ReadData(uint8_t Addr, uint8_t Reg)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t value = 0;
status = HAL_I2C_Mem_Read(&I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &value, 1,I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2Cx_Error(Addr);
}
return value;
}
/**
* @brief Read a value in a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @retval HAL_StatusTypeDef status
*
* @see HAL_StatusTypeDef
*/
HAL_StatusTypeDef I2Cx_ReadDataLen(uint16_t Addr, uint8_t Reg, uint8_t * pData, uint16_t Len)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Read(&I2cHandle, Addr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Len, I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2Cx_Error();
}
return status;
}
/**
* @brief Reads multiple data on the BUS in using DMA mode.
* @param Addr: I2C Address
* @param Reg: Reg Address
* @param pBuffer: pointer to read data buffer
* @param Length: length of the data
* @retval HAL status
*/
static HAL_StatusTypeDef I2Cx_ReadBufferDMA(uint8_t Addr, uint16_t Reg, uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Read_DMA(&I2cHandle, Addr, Reg, I2C_MEMADD_SIZE_16BIT, pBuffer, Length);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initialize the BUS */
I2Cx_Error();
}
return status;
}
/**
* @brief Reads a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @retval Data read at register address
*/
static uint8_t I2Cx_ReadData(uint8_t Addr, uint8_t Reg)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t value = 0;
status = HAL_I2C_Mem_Read(&I2cHandle, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &value, 1, I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initialize the BUS */
I2Cx_Error();
}
return value;
}
/**
* @brief Read a register of the device through BUS
* @param Addr: Device address on BUS
* @param Reg: The target register address to read
* @param RegSize: The target register size (can be 8BIT or 16BIT)
* @retval read register value
*/
static uint8_t I2Cx_ReadData(uint16_t Addr, uint8_t Reg, uint16_t RegSize)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t value = 0;
status = HAL_I2C_Mem_Read(&heval_I2c, Addr, Reg, RegSize, &value, 1, I2cxTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2Cx_Error();
}
return value;
}
/**
* @brief Reads a single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @retval Data to be read
*/
static uint8_t I2Cx_Read(uint8_t Addr, uint8_t Reg)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t Value = 0;
status = HAL_I2C_Mem_Read(&heval_I2c, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2Cx_Error(Addr);
}
return Value;
}
/**
* @brief Reads multiple data on the BUS.
* @param Addr: I2C Address
* @param Reg: Reg Address
* @param pBuffer: pointer to read data buffer
* @param Length: length of the data
* @retval 0 if no problems to read multiple data
*/
static uint8_t I2Cx_ReadBuffer(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Read(&I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, pBuffer, Length, I2cxTimeout);
/* Check the communication status */
if(status == HAL_OK)
{
return 0;
}
else
{
/* Re-Initialize the BUS */
I2Cx_Error();
return 1;
}
}